Home / 32,876.55-45,370.13-18,729.09

Finding the Fourth Proportional to 32,876.55, 45,370.13 and 18,729.09

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Solution

The fourth proportional to 32,876.55, 45,370.13 and 18,729.09 is: 25,846.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,876.55 : 45,370.13 = 18,729.09 : x
  2. Step 2: Convert to fraction form
    32,876.55/45,370.13 = 18,729.09/x
  3. Step 3: Cross multiply
    32,876.55x = 45,370.13 × 18,729.09
  4. Step 4: Simplify right side
    32,876.55x = 849,741,154.44
  5. Step 5: Solve for x
    x = 849,741,154.44/32,876.55
  6. Step 6: Final answer
    x = 25,846.42

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.